公开(公告)号：US09769677B2

公开(公告)日：2017-09-19

申请号：US13727607

申请日：2012-12-27

Applicant: Industrial Technology Research Institute

Inventor： Chao-Yuan Hsu ,  Ren-Jr Chen

IPC: H04W24/02 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04W24/02 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/0641 ,  H04B7/0654

Abstract: A method and apparatus for performing precoding matrix indicator (PMI) feedback are provided. The apparatus may include at least one storage device containing a computer program, at least one processing circuit and related control/computing devices. The at least one processing circuit is configured with at least one storage device and computer program to feed back the selected PMI and to receive related signalings of the PMI feedback method. One of the signalings includes the precoder candidate set configuration which defines the subset of precoders in a codebook for each precoder to report PMI next time. The selected PMI is transmitted by the apparatus to the corresponding communication device in the communication network.

公开(公告)号：US09645121B2

公开(公告)日：2017-05-09

申请号：US14150171

申请日：2014-01-08

Applicant: Industrial Technology Research Institute

Inventor： Chung-Lien Ho ,  Ren-Jr Chen

IPC: G01N29/34 ,  G01N29/26 ,  G01N29/06

CPC classification number: G01N29/262 ,  G01N29/0654 ,  G01N2291/02491

Abstract: A nonlinear dynamic focusing control method includes: (1) using a minimum length in a scan line having the minimum length and a maximum length as an initial location and assigning a focal point on the scan line; (2) calculating half depth of focus of the focal point, and the initial location plus the half depth of focus of the focal point being the location of this focal point on the scan line; (3) determining an initial calculation location of the next focal point by adding the half depth of focus of the focal point from the location of this focal point on the scan line in the direction of the maximum length; and (4) determining if the initial calculation location of the next focal point is greater than the maximum length.

公开(公告)号：US08942571B2

公开(公告)日：2015-01-27

申请号：US13726394

申请日：2012-12-24

Applicant: Industrial Technology Research Institute

Inventor： Chia-Pin Chen ,  Chang-Lung Hsiao ,  Ren-Jr Chen ,  Pei-Wei Hsu

IPC: H04B10/00 ,  H04B10/116

CPC classification number: H04B10/116

Abstract: In a light communication system, a data embedding unit arranged between a transmitter-side communication data processing unit and a light emitting device driver embeds a communication processed data at a spatial domain of an original image according to a modulation scheme, and gets multiple RGB values for a communication data embedded image. A receiving apparatus detects a transmitter-side communication data embedded image, generates a receiver-side communication data embedded image, compensate a deformation of the receiver-side communication data embedded image, outputs a warped communication data embedded image, and extracts a communication processed data from the warped communication data embedded image.

Abstract translation: 在光通信系统中，布置在发射机侧通信数据处理单元和发光设备驱动器之间的数据嵌入单元根据调制方案在原始图像的空间域处嵌入通信处理的数据，并获得多个RGB值 用于通信数据嵌入图像。 接收装置检测发送侧通信数据嵌入图像，生成接收侧通信数据嵌入图像，补偿接收侧通信数据嵌入图像的变形，输出翘曲通信数据嵌入图像，提取通信处理数据 从翘曲的通信数据嵌入图像。